Restoration of Two Mandibular Implants

This case demonstrates how predictably aesthetic restorations are easily achieved with the use of a shoulder depth gauge for determining which abutment height will provide an ideal subgingival margin. And how aluminum oxide sleeves facilitate the fabrication of affordable all-ceramic crowns.

1.

Occlusal view after the removal of temporary abutments, showing the sulcus and 3.0mm well of two Bicon implants.

2.

The first line of the seated abutment shoulder depth gauge indicates the shoulder position of the 5.0mm x 2.0mm shouldered abutment. The second line indicates the shoulder position of the 5.0mm x 4.0mm shouldered abutment.

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8.

Model showing a completed bicuspid all-ceramic crown which was made by adding porcelain directly to the aluminum oxide sleeve.

9.

A bicuspid and molar all-ceramic crown seated on a soft-tissue model.

10.

Emergence cuffs were snapped onto the shouldered abutments to help form and maintain their soft tissue sulcus while the all-ceramic crowns were being fabricated.

11.

Occlusal view of 5.0mm wide shouldered abutments prior to the seating of the all-ceramic crowns.

12.

A mirror view of two all-ceramic crowns showing the internal aspect of the aluminum oxide sleeves on which porcelain was directly added during the fabrication of the crowns.

13.

An operative radiograph revealing the incomplete seating of the all-ceramic crowns. Incomplete seating usually indicates the need for: adjustment of the interproximal contacts, adjustment of the abutment post, or the intra-oral re-orientation of the seated abutments due to a discrepancy of its orientation with that of its analog in the dental model.

14.

Radiograph revealing the completely seated crowns after the intra-oral modification of their abutment posts.